The application discloses endoscopes and wands, light sources, and other inventions useful for near infrared imaging, particularly for medical purposes. It discloses endoscope or wand devices (260) having transmitting members that transmit between about 95% and 99.9% of the energy at a wavelength within the infrared spectrum. It also discloses wands and endoscopes having at least one channel for transmitting and receiving light in the visible spectrum and at least one channel for transmitting and receiving light in the infrared spectrum.
